class Pair:
	def __init__(self,x,y):
		self.x = x
		self.y = y	
	def __repr__(self):
		return 'Pair({self.x!r},{self.y!r})'.format(self=self)
	def __str__(self):
		return 'Pair({self.x!s},{self.y!s})'.format(self=self)
		
		
class A:
	def __init__(self):
		self.__internal = 0
		self.public = 1

p = Pair(3,4)
p
print(p)